/*
 * $Id: BasicMultiThumbSliderUI.java 3927 2011-02-22 16:34:11Z kleopatra $
 *
 * Copyright 2006 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.jdesktop.swingx.plaf.basic;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Polygon;

import javax.swing.JComponent;
import javax.swing.plaf.ComponentUI;

import org.jdesktop.swingx.JXMultiThumbSlider;
import org.jdesktop.swingx.multislider.ThumbRenderer;
import org.jdesktop.swingx.multislider.TrackRenderer;
import org.jdesktop.swingx.plaf.MultiThumbSliderUI;

/**
 *
 * @author Joshua Marinacci
 */
public class BasicMultiThumbSliderUI extends MultiThumbSliderUI {

	protected JXMultiThumbSlider<?> slider;

	public static ComponentUI createUI(JComponent c) {
		return new BasicMultiThumbSliderUI();
	}

	@Override
	public void installUI(JComponent c) {
		slider = (JXMultiThumbSlider<?>) c;
		slider.setThumbRenderer(new BasicThumbRenderer());
		slider.setTrackRenderer(new BasicTrackRenderer());
	}

	@Override
	public void uninstallUI(JComponent c) {
		slider = null;
	}

	private class BasicThumbRenderer extends JComponent implements ThumbRenderer {
		public BasicThumbRenderer() {
			setPreferredSize(new Dimension(14, 14));
		}

		@Override
		protected void paintComponent(Graphics g) {
			g.setColor(Color.green);
			Polygon poly = new Polygon();
			JComponent thumb = this;
			poly.addPoint(thumb.getWidth() / 2, 0);
			poly.addPoint(0, thumb.getHeight() / 2);
			poly.addPoint(thumb.getWidth() / 2, thumb.getHeight());
			poly.addPoint(thumb.getWidth(), thumb.getHeight() / 2);
			g.fillPolygon(poly);
		}

		@Override
		public JComponent getThumbRendererComponent(JXMultiThumbSlider slider, int index, boolean selected) {
			return this;
		}
	}

	private class BasicTrackRenderer extends JComponent implements TrackRenderer {
		private JXMultiThumbSlider<?> slider;

		@Override
		public void paintComponent(Graphics g) {
			g.setColor(slider.getBackground());
			g.fillRect(0, 0, slider.getWidth(), slider.getHeight());
			g.setColor(Color.black);
			g.drawLine(0, slider.getHeight() / 2, slider.getWidth(), slider.getHeight() / 2);
			g.drawLine(0, slider.getHeight() / 2 + 1, slider.getWidth(), slider.getHeight() / 2 + 1);
		}

		@Override
		public JComponent getRendererComponent(JXMultiThumbSlider slider) {
			this.slider = slider;
			return this;
		}
	}
}
